deceased person vs soul

deceased person and soul both are nouns.

Word	Noun	Adjective	Verb	Adverb
deceased person	Yes	No	No	No
soul	Yes	No	No	No

As nouns, soul is a hypernym of deceased person; that is, soul is a word with a broader meaning than deceased person:

deceased person: someone who is no longer alive
soul: a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential

Other hypernyms of deceased person include individual, mortal, person, somebody, someone.

deceased person (noun)	soul (noun)
someone who is no longer alive	a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential
	the human embodiment of something
	a secular form of gospel that was a major Black musical genre in the 1960s and 1970s
	deep feeling or emotion
	the immaterial part of a person; the actuating cause of an individual life